Gm Hei Tach Wiring

Assortment of chevy hei distributor wiring diagram.

Gm hei tach wiring. You hook the wire coming off the tach to your tachometer in your truck. Hei distributor connector wire harness pigtail 12v battery tachometer wiring harness pigtail for ford rv chevy gm 170072 4 pcs 14 59 14. Tachometers usually come with 4 wires. There are two wires in the plug.

Xislet hei distributor pigtail wire harness tachometer pigtails 12v power tach connector plug for ford rv chevy gm hei 170072 4 7 out of 5 stars 105 7 99 7. Tach signal is a purple wire with a white trace pin r advance control signal is a white wire pin e override cranking signal is a tan wire with a black trace pin b ground is a black wire with a red trace grounded to distributor case. Hooking this filter device in series between your distributor and tach should allow your factory tach to work in harmony with your new electronic distributor. 59 get it as soon as thu jun 18.

A wiring diagram is a streamlined traditional photographic depiction of an electrical circuit. Splice the tachometer gauge wire if so equipped into the tachometer wire on the hei primary plug. Just a little video i made to help you understand the way a tachometer should be wired. If you look at the top of the hei distributor it has a label on it that says bat and tach.

If you are updating from an old distributor splice the old distributor hot wire to the hot wire of the hei primary plug. It reveals the elements of the circuit as streamlined forms and the power and signal links in between the devices. With a gm hei 7 pin and 8 pin modules the ignition module wires you need to know about are. The hot wire and the tachometer wire.

The factory style filter looks like a condenser with a wire and connector on each end one of which plugs onto the hei distributor and the other onto the tach lead wire.